diff options
Diffstat (limited to 'arch/x86/lib/cmd_hob.c')
| -rw-r--r-- | arch/x86/lib/cmd_hob.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/x86/lib/cmd_hob.c b/arch/x86/lib/cmd_hob.c new file mode 100644 index 0000000000..2fdff2bfc1 --- /dev/null +++ b/arch/x86/lib/cmd_hob.c @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <linux/compiler.h> +#include <asm/arch/fsp/fsp_support.h> + +DECLARE_GLOBAL_DATA_PTR; + +static char *hob_type[] = { + "reserved", + "Hand-off", + "Memory Allocation", + "Resource Descriptor", + "GUID Extension", + "Firmware Volumn", + "CPU", + "Memory Pool", + "reserved", + "Firmware Volumn 2", + "Load PEIM Unused", + "UEFI Capsule", +}; + +int do_hob(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + union hob_pointers_t hob; + u16 type; + char *desc; + int i = 0; + + hob.raw = (u8 *)gd->arch.hob_list; + + printf("HOB list address: 0x%08x\n\n", (unsigned int)hob.raw); + + printf("No. | Address | Type | Length in Bytes\n"); + printf("----|----------|---------------------|----------------\n"); + while (!END_OF_HOB(hob)) { + printf("%-3d | %08x | ", i, (unsigned int)hob.raw); + type = hob.hdr->type; + if (type == HOB_TYPE_UNUSED) + desc = "*Unused*"; + else if (type == HOB_TYPE_EOH) + desc = "**END OF HOB**"; + else if (type >= 0 && type <= ARRAY_SIZE(hob_type)) + desc = hob_type[type]; + else + desc = "!!!Invalid Type!!!"; + printf("%-19s | %-15d\n", desc, hob.hdr->len); + hob.raw = GET_NEXT_HOB(hob); + i++; + } + + return 0; +} + +/* -------------------------------------------------------------------- */ + +U_BOOT_CMD( + hob, 1, 1, do_hob, + "print FSP Hand-Off Block information", + "" +); |